Question

help please preciso de ajuda ⬆️⬆️⬆️⬆️​

Answer 1

Resposta:

6)

a) 3a + 4b

3×4+4×(-1)

12-4=8

b)a²+ab+b²

(-1)²+(-1)×(-2)+(-2)²

1+2+4=7

c) x+y²/3

2+2²/3

2+4/3

6/3= 3